<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #imgs{
            width: 300px;
            overflow: hidden;
        }
        #imgs .focus{
            width: 300px;
        }
        #imgs .focus .img{
            width: 1500px;
        }
        img{
            z-index: 1;
            float: left;
            width: 300px;
            object-fit: cover;
        }
        .btn{
            position: relative;
            font-size: 40px;
            background-color: rgba(0, 0, 0, 0.432);
        }
        #left{

        }
        #right{

        }
    </style>
</head>
<body>
    <div id="imgs">
        <div class="focus">
            <div class="btn" id="left"><</div>
            <div class="img"><img src="https://img0.baidu.com/it/u=2490032938,56350184&fm=253&fmt=auto&app=120&f=JPEG?w=660&h=372" alt=""></div>
            <div class="img"><img src="https://img0.baidu.com/it/u=2490032938,56350184&fm=253&fmt=auto&app=120&f=JPEG?w=660&h=372" alt=""></div>
            <div class="img"><img src="https://img0.baidu.com/it/u=2490032938,56350184&fm=253&fmt=auto&app=120&f=JPEG?w=660&h=372" alt=""></div>
            <div class="img"><img src="https://img0.baidu.com/it/u=2490032938,56350184&fm=253&fmt=auto&app=120&f=JPEG?w=660&h=372" alt=""></div>
            <div class="img"><img src="https://img0.baidu.com/it/u=2490032938,56350184&fm=253&fmt=auto&app=120&f=JPEG?w=660&h=372" alt=""></div>
            <div class="btn" id="right">></div>
        </div>
    </div>
    <script>

    </script>
</body>
</html>